Emerson Micro Motion H Series Manual de usuario

Installation Manual

20002346, Rev BC

January 2019

Micro Motion® H-Series Hygienic Coriolis

Flow and Density Sensors

Safety and approval information

This Micro Motion product complies with all applicable European directives when properly installed in accordance with the

instructions in this manual. Refer to the EU declaration of conformity for directives that apply to this product. The EU declaration

of conformity, with all applicable European directives, and the complete ATEX Installation Drawings and Instructions are available

on the internet at www.emerson.com or through your local Micro Motion support center.

Information affixed to equipment that complies with the Pressure Equipment Directive, can be found on the internet at

www.emerson.com.

For hazardous installations in Europe, refer to standard EN 60079-14 if national standards do not apply.

Other information

Full product specifications can be found in the product data sheet. Troubleshooting information can be found in the configuration

manual. Product data sheets and manuals are available from the Micro Motion web site at www.emerson.com.

Return policy

Follow Micro Motion procedures when returning equipment. These procedures ensure legal compliance with government

transportation agencies and help provide a safe working environment for Micro Motion employees. Micro Motion will not accept

your returned equipment if you fail to follow Micro Motion procedures.

Return procedures and forms are available on our web support site at www.emerson.com, or by phoning the Micro Motion

Customer Service department.

Emerson Flow customer service

Email:

•Worldwide: [email protected]

•Asia-Pacific: [email protected]

Telephone:

North and South America Europe and Middle East Asia Pacific

United States 800-522-6277 U.K. 0870 240 1978 Australia 800 158 727

Canada +1 303-527-5200 The Netherlands +31 (0) 704 136

666

New Zealand 099 128 804

Mexico +41 (0) 41 7686

111

France 0800 917 901 India 800 440 1468

Argentina +54 11 4837 7000 Germany 0800 182 5347 Pakistan 888 550 2682

Brazil +55 15 3413 8000 Italy 8008 77334 China +86 21 2892 9000

Central & Eastern +41 (0) 41 7686

111

Japan +81 3 5769 6803

Russia/CIS +7 495 981 9811 South Korea +82 2 3438 4600

Egypt 0800 000 0015 Singapore +65 6 777 8211

Oman 800 70101 Thailand 001 800 441 6426

Qatar 431 0044 Malaysia 800 814 008

Kuwait 663 299 01

South Africa 800 991 390

Saudi Arabia 800 844 9564

UAE 800 0444 0684

Contents

Chapter 1 Planning........................................................................................................................ 5

1.1 Installation checklist......................................................................................................................... 5

1.2 Best practices................................................................................................................................... 6

1.3 Temperature limits...........................................................................................................................6

1.4 Recommendations for hygienic and self-draining applications......................................................... 7

Chapter 2 Mounting.......................................................................................................................9

2.1 Mount the sensor............................................................................................................................. 9

2.2 Attach extended electronics........................................................................................................... 10

Chapter 3 Transmitter power and I/O wiring................................................................................ 13

3.1 Options for wiring...........................................................................................................................13

3.2 Connect 4-wire cable......................................................................................................................13

3.3 Connect the 9-wire cable ............................................................................................................... 17

Chapter 4 Grounding....................................................................................................................19

Chapter 5 Supplementary information.........................................................................................21

5.1 Purge the sensor case .................................................................................................................... 21

Installation Manual Contents

20002346 January 2019

Installation Manual 3

Contents Installation Manual

January 2019 20002346

4 Micro Motion H-Series

1 Planning

1.1 Installation checklist

□Make sure that the hazardous area specified on the approval tag is suitable for the

environment in which the meter will be installed.

□Verify that the local ambient and process temperatures are within the limits of the

meter.

□If your sensor has an integral transmitter, no wiring is required between the sensor and

transmitter. Follow the wiring instructions in the transmitter installation manual for

signal and power wiring.

□If your transmitter has remote-mounted electronics, follow the instructions in this

manual for wiring between the sensor and the transmitter, and then follow the

instructions in the transmitter installation manual for power and signal wiring.

Table 1-1: Maximum cable lengths

Cable type To transmitter Maximum length

Micro Motion 4-wire All 4-wire MVD transmitters —1,000 ft (305 m) without

Ex-approval

—500 ft (152 m) with IIC

rated sensors

—1,000 ft (305 m) with IIB

rated sensors

Table 1-2: Maximum lengths for user-supplied 4-wire cable

Wire function Wire size Maximum length

Power (VDC) 22 AWG (0.326 mm²) 300 ft (91 m)

20 AWG (0.518 mm²) 500NaN ft (NaN m)

18 AWG (0.823 mm²) 1,000 ft (305 m)

Signal (RS-485) 22 AWG (0.326 mm²) or larger 1,000 ft (305 m)

□For optimal performance, install the sensor in the preferred orientation. The sensor will

work in any orientation as long as the flow tubes remain full of process fluid.

Table 1-3: Preferred sensor orientation

Liquids

Installation Manual Planning

20002346 January 2019

Installation Manual 5

Table 1-3: Preferred sensor orientation (continued)

Gases

Slurries and self-draining

applications

□Install the meter so that the flow direction arrow on the sensor case matches the actual

forward flow of the process. (Flow direction is also software-selectable.)

1.2 Best practices

The following information can help you get the most from your sensor.

•There are no pipe run requirements for Micro Motion sensors. Straight runs of pipe

upstream or downstream are unnecessary.

•If the sensor is installed in a vertical pipeline, liquids and slurries should flow upward

through the sensor. Gases should flow downward.

•Keep the sensor tubes full of process fluid.

•For halting flow through the sensor with a single valve, install the valve downstream

from the sensor.

•Minimize bending and torsional stress on the meter. Do not use the meter to align

misaligned piping.

•The sensor does not require external supports. The flanges will support the sensor in

any orientation.

1.3 Temperature limits

Sensors can be used in the process and ambient temperature ranges shown in the

temperature limit graphs. For the purposes of selecting electronics options, temperature

limit graphs should be used only as a general guide. If your process conditions are close to

the gray area, consult with your Micro Motion representative.

Note

•In all cases, the electronics cannot be operated where the ambient temperature is

below -40 °F (-40.0 °C) or above 140 °F (60.0 °C). If a sensor is to be used where the

ambient temperature is outside of the range permissible for the electronics, the

electronics must be remotely located where the ambient temperature is within the

permissible range, as indicated by the shaded areas of the temperature limit graphs.

•Temperature limits may be further restricted by hazardous area approvals. Refer to the

hazardous area approvals documentation shipped with the sensor or available from the

Micro Motion H-Series Hygienic Coriolis Flow and Density Meters Product Data Sheet. For

further quesitons, contact customer service.

Planning Installation Manual

January 2019 20002346

6 Micro Motion H-Series

•The extended-mount electronics option allows the sensor case to be insulated without

covering the transmitter, core processor, or junction box, but does not affect

temperature ratings. When insulating the sensor case at elevated process

temperatures (above 140 °F (60.0 °C)), please ensure electronics are not enclosed in

insulation as this may lead to electronics failure.

Ambient and process temperature limits for all H-Series meters

400

(204)

(27)

–148

(–100) Tproc

140 (60)

158 (70)

–40 (–40)

Tamb

1.4 Recommendations for hygienic and self-

draining applications

H-Series sensors are self-draining when installed in a vertical pipeline.

For optimal cleanability and drainability:

•If possible, install the sensor in a vertical pipeline with the process fluid flowing upward

through the sensor.

•If the sensor must be installed in a horizontal pipeline, drainage is accomplished by air

purge evacuation of the pipeline circuit.

•For clean-in-place (CIP) applications, Micro Motion recommends using the generally-

accepted flow velocity of at least 1.5 m/s for cleaning the sensor.

•The gap between the electronics housing and sensor body should be inspected

periodically. Manually clean this gap when necessary.

•Tri-clamp and DIN 11851 style process connections require special gaskets to comply

with EHEDG requirements for hygienic design.

Installation Manual Planning

20002346 January 2019

Installation Manual 7

Figure 1-1: Installation for self-draining applications

A. Process pipeline

B. Direction of normal process flow

C. Direction of drainage

Planning Installation Manual

January 2019 20002346

8 Micro Motion H-Series

2 Mounting

2.1 Mount the sensor

Use your common practices to minimize torque and bending load on process connections.

About this task

Tip

To reduce the risk of condensation problems, do not orient transmitters or sensor junction

boxes with their conduit openings pointing upward.

CAUTION

Do not lift the sensor by the electronics or purge connections. Lifting the sensor by

the electronics or purge connections can damage the device.

Figure 2-1: Mounting the sensor

Notes

•Do not use the sensor to support the piping.

•The sensor does not require external supports. The flanges will support the sensor in

any orientation.

Installation Manual Mounting

20002346 January 2019

Installation Manual 9

2.2 Attach extended electronics

If your installation has a sensor with extended electronics, you will need to install the

extender onto the sensor case.

About this task

Note

Extended core processors are matched at the factory to specific sensors. Keep each core

processor together with the sensor with which it was shipped.

CAUTION

Keep the extender and feedthrough clean and dry. Moisture or debris in the extender

or feedthrough can damage electronics and result in measurement error or

flowmeter failure.

Procedure

1. Remove and recycle the plastic cap from the feedthrough on the sensor.

Figure 2-2: Feedthrough and extender components

A. Transmitter or core processor

B. Extender

C. O-ring

D. Feedthrough

E. Clamping ring

F. Clamping screw

G. Plastic plug

H. Plastic cap

2. Loosen the clamping screw and remove the clamping ring. Leave the O-ring in place

on the feedthrough.

3. Remove and recycle the plastic plug from the extender.

Mounting Installation Manual

January 2019 20002346

10 Micro Motion H-Series

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